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On Call Windows Systems Engineer Jobs (NOW HIRING)

ACI Worldwide

Sr Windows Systems Engineer

Omaha, NE · On-site

Job Summary: We are seeking a seasoned and visionary Senior Windows Systems Engineer with deep expertise in Active Directory (AD) , DNS , and adjacent Microsoft infrastructure technologies.

ACI Worldwide

Sr Windows Systems Engineer

Omaha, NE · Hybrid

Job Summary: We are seeking a seasoned and visionary Senior Windows Systems Engineer with deep expertise in Active Directory (AD) , DNS , and adjacent Microsoft infrastructure technologies.

OBXtek

Windows Systems Engineer (SCCM)

Woodlawn, MD · On-site

WiseScript; and/or other object-oriented programming languages. Experience in SQL Server 2012, Server 2012, Server 2008, Vista, XP and Windows 7. Experience using Systems Management Software (SMS ...

OBXtek

Windows Systems Engineer (SCCM)

Woodlawn, MD

WiseScript; and/or other object-oriented programming languages. Experience in SQL Server 2012, Server 2012, Server 2008, Vista, XP and Windows 7. Experience using Systems Management Software (SMS ...

Select Minds LLC

Senior Windows Engineer/Admin

Dallas, TX · On-site

$55 - $65/hr

Opportunity for advancement Senior Windows Systems Engineer Location: San Antonio, TX (Hybrid/Onsite) Experience Required: 8+ Years in Enterprise Environments About the Role: We are looking for a ...

Kappaalphapsi1911

Windows System Engineer

Ann Arbor, MI · On-site

$95 - $125/hr

The Windows System Engineer collaborates closely, and works in partnership with Architecture ... systems ? Excellent written and oral communication skills.* Experience in Participating in on-call ...

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On Call Windows Systems Engineer information

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How much do on call windows systems engineer jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for on call windows systems engineer in the United States is $51.34, according to ZipRecruiter salary data. Most workers in this role earn between $40.62 and $61.54 per hour, depending on experience, location, and employer.

What is the difference between On Call Windows Systems Engineer vs Windows Systems Administrator?

AspectOn Call Windows Systems EngineerWindows Systems Administrator
CertificationsMCSE, MCSA, CompTIA Server+MCSE, MCSA, CompTIA Server+
Work EnvironmentOn-call, troubleshooting, incident responseDaily management, maintenance, user support
ResponsibilitiesRespond to outages, perform urgent repairs, optimize systemsManage user accounts, perform updates, monitor system health

The On Call Windows Systems Engineer primarily handles urgent issues and system outages, often working outside regular hours, while the Windows Systems Administrator focuses on routine maintenance and user support. Both roles require similar certifications and work in enterprise environments, but their daily tasks and on-call responsibilities differ significantly.

What cities are hiring for On Call Windows Systems Engineer jobs?

Cities with the most On Call Windows Systems Engineer job openings:

What are the most commonly searched types of Windows Systems Engineer jobs?

The most popular types of Windows Systems Engineer jobs are:

On Call Windows Systems Engineer jobs near you

Sr Windows Systems Engineer

ACI Worldwide

Omaha, NE • On-site

Full-time

Re-posted 6 days ago

Job description


Join the Team Making Possibilities Happen
If you've ever used an ATM, paid a bill through your phone, sent money to a friend or shopped online, chances are your transaction was safeguarded and processed using our software. Now it's your turn to serve the payment needs of organizations and people the world over.
Job Summary:
We are seeking a seasoned and visionary Senior Windows Systems Engineer with deep expertise in Active Directory (AD), DNS, and adjacent Microsoft infrastructure technologies. Implements, configures and plays a lead role in the design of complex systems for internal and external customers. Assists in performing analysis on existing systems as well as system maintenance. Determines system specifications, input/output processes and working parameters for hardware/software compatibility. Coordinates design of subsystems and integration of total system. Identifies, analyzes and resolves program support deficiencies.
Job Responsibilities:
  • Provides AOD centric architectural and operational oversight for the development of new or enhanced services and/or products.
  • Engineers and configures complex technical solutions for applications/systems implementations and upgrades based on specific business requirements. Solutions may be new, existing, in-house, third party or a combination.
  • Researches and evaluates new technologies and software products to determine feasibility and desirability of incorporating their capabilities within the company's products.
  • Formulates and executes test plans for Proof of Concepts.
  • Supports development and product teams by providing high-level analysis and AOD environment-based design reviews, performance, scalability and benchmark test guidance, and subject matter expertise in technology and design.
  • Perform other duties as assigned
  • Understand and adhere to all corporate policies to include but not limited to the ACI Code of Business Conduct and Ethics.

Knowledge, Skills and Experience required for the job:
  • Bachelor's degree in computer science or equivalent experience.
  • 5+ years of technical experience in product architecture and/or production IT environments
  • Previous experience in designing and implementing systems with a focus on scalability and high availability.
  • Experience with configuring and troubleshooting production environments, with at least 2 years in a senior-level role.
  • Deep experience in Windows Server, Active Directory, DNS, Group Policy, and PowerShell.
  • Proven track record of designing and implementing high-availability, multi-site, and secure Windows infrastructure solutions.
  • Strong understanding of authentication protocols (Kerberos, NTLM, LDAP), ADFS, Azure AD, and PKI.
  • Experience leading large-scale migrations, upgrades, and integration projects.

Preferred Knowledge, Skills and Experience needed for the job:
  • Experience with hybrid identity and cloud integration (e.g., Azure AD Connect, Microsoft Entra).
  • Familiarity with Zero Trust architecture, conditional access, and identity governance.
  • Knowledge of automation frameworks, infrastructure-as-code, and DevOps practices.
  • Experience with compliance frameworks (e.g., NIST, ISO, SOX) and security hardening of Windows environments.

Work Environment:
  • Standard work environment
  • Majority of time spent on PC (Phys. Req.)
  • Travel required, may be domestic or international
  • Weekend and off-hours support may be required

Benefits: In return for your expertise, we offer growth, opportunity, and a competitive compensation and benefits package in a casual work environment.
Are you ready to help us transform the world of electronic payments? To learn more about ACI Worldwide, visit our web site at www.aciworldwide.com Job ID (Requisition #16393)
ACI Worldwide is an AA/EEO employer in the United States, which includes providing equal opportunity for protected veterans and individuals with disabilities, and an EEO employer globally
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About Us
ACI Worldwide is a global leader in mission-critical, real-time payments software. Our proven, secure and scalable software solutions enable leading corporations, fintechs and financial disruptors to process and manage digital payments, power omni-commerce payments, present and process bill payments, and manage fraud and risk. We combine our global footprint with a local presence to drive the real-time digital transformation of payments and commerce.

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